cool! well to give you more of a boost. On the forums there is bbcode which is encased in square brackes "[" and "]" and to display code, it is good practice to put your code like so:
[ code ] put your code here [ /code ] (minus the extra spaces i put between the brackets so I could show it here)
also, you neednt sudo each command
in most cases will essentially make you root until you close the terminal/script/shell or logout/shutdown
also, consider making one echo command instead of 4. Just escape each new line with a "\n"
echo -e "line 1\nline2\line 3\nline4 #the -e after echo is necessary for it to format the string correctly :)